body {
	margin: 0;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(to right bottom, dimgray, black);
}

ul {
	padding: 0;
}

li {
	list-style-type: none;
	border: 2px solid transparent;
	border-left-color: silver;
	padding-left: 2em;
	transition: 500ms;
	margin: 1em 0;
	text-align: center;
}

li:hover {
	border-left-color: white;
}

li span {
	color: white;
	font-size: 30px;
	font-family: monospace;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	position: relative;
	transition: 500ms;
}

li:hover span {
	color: #333;
	transition-delay: calc(80ms * var(--n) + 10ms);
}

li span::before {
	content: '';
	position: absolute;
	height: 100%;
	width: 0%;
	z-index: -1;
	transition: 500ms;
}

li:hover span::before {
	width: 70%;
	background-color: white;
	transform: rotate(-25deg);
	transition-delay: calc(80ms * var(--n));
}

li span:nth-child(1) {
	--n: 1;
}

li span:nth-child(2) {
	--n: 2;
}

li span:nth-child(3) {
	--n: 3;
}

li span:nth-child(4) {
	--n: 4;
}

li span:nth-child(5) {
	--n: 5;
}

li span:nth-child(6) {
	--n: 6;
}	

li span:nth-child(7) {
	--n: 7;
}

li span:nth-child(8) {
	--n: 8;
}